<?php
/**
 *  NevuxBB - Free Forum Software
 *  Copyright (C) 2008, 2010 NevuxBB (No one specific author)*  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * File Functions
 * File: file_functions.php
 * Purpose: Perform fucntions on files or file related things
 * Todo: Add extra functions
 *
 */

// calculate from bytes into it's true extension
function convert_size($bytes) {
	// array of extensions/sizes
	$ext = array('Bytes', 'KB', 'MB', 'GB', 'TB');
	$i = 0;
	
	// loop through the possible sizes
	while ($bytes >= 1024 && ($i < count($ext) - 1)){
		$bytes /= 1024;
		$i++;
	}
	
	// return output
	return round($bytes, 2) . ' ' . $ext[$i];
}

?>